GS 1000 versus GS(X)1100 crankcases

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  • John Kat
    Forum Sage
    • Oct 2010
    • 1433
    • France

    #1

    GS 1000 versus GS(X)1100 crankcases

    Is there any difference between the 8 valve and 16 valve crankcases?
    I'm asking because I want to paint the crankcases and want to keep the downtime to a minimum with a spare set
    sigpicJohn Kat
    My bikes: CB 77, GS 1000 ST Cafe Racer with GSXR 1052 engine, GS 1000 ST, XR 41 Replica with GS 1085 engine,
    GS 1100 SZ Katana with GS 1135 EFF engine, KTM Superduke 1290 R 2020
  • Agemax
    Forum Guru
    • Apr 2008
    • 8371
    • plymouth uk

    #2
    the only part i definately know is different is the shape of the clutch cover.totally different.
    no idea about the rest of it.
    1978 GS1085.

    Just remember, an opinion without 3.14 is just an onion!

    Comment

    • John Kat
      Forum Sage
      • Oct 2010
      • 1433
      • France

      #3
      Originally posted by Agemax
      the only part i definately know is different is the shape of the clutch cover.totally different.
      no idea about the rest of it.
      You are right
      I hadn't noticed it so far!
      sigpicJohn Kat
      My bikes: CB 77, GS 1000 ST Cafe Racer with GSXR 1052 engine, GS 1000 ST, XR 41 Replica with GS 1085 engine,
      GS 1100 SZ Katana with GS 1135 EFF engine, KTM Superduke 1290 R 2020

      Comment

      • rapidray
        Forum Guru
        GSResource Superstar
        • Oct 2006
        • 8195
        • So Cal

        #4
        They ARE different! Cylinder stud placement is the biggest. NOT interchangeable without machine work. Ray.

        Comment

        • John Kat
          Forum Sage
          • Oct 2010
          • 1433
          • France

          #5
          Thanks Ray
          sigpicJohn Kat
          My bikes: CB 77, GS 1000 ST Cafe Racer with GSXR 1052 engine, GS 1000 ST, XR 41 Replica with GS 1085 engine,
          GS 1100 SZ Katana with GS 1135 EFF engine, KTM Superduke 1290 R 2020

          Comment

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